Home / 852,980.84-1,278,070.86-291,709.16

Finding the Fourth Proportional to 852,980.84, 1,278,070.86 and 291,709.16

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Solution

The fourth proportional to 852,980.84, 1,278,070.86 and 291,709.16 is: 437,084.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,980.84 : 1,278,070.86 = 291,709.16 : x
  2. Step 2: Convert to fraction form
    852,980.84/1,278,070.86 = 291,709.16/x
  3. Step 3: Cross multiply
    852,980.84x = 1,278,070.86 × 291,709.16
  4. Step 4: Simplify right side
    852,980.84x = 372,824,976,991.08
  5. Step 5: Solve for x
    x = 372,824,976,991.08/852,980.84
  6. Step 6: Final answer
    x = 437,084.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.